Dining chair



FIG. 1 is a front, top, and left perspective view of a dining chair showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear, bottom, and right perspective view thereof.

The broken lines shown in the drawings represent portions of the dining chair that form no part of the claimed design. 

CLAIM The ornamental design for a dining chair, as shown and described. 